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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Performance comparision between static and dynamic arrays
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sun, 27 Jun 2010 12:58:32 -0400
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absolutely zero advantage, except if you are specifically interested
in studying stack overflows ;-)
2010/6/27 Mani chandra <mchandra@xxxxxxxxxx>:
> Hi,
>
> I'm interested in matrices of the order of 64^3, 128^3 and 256^3. Do you
> think there is advantage in going for static arrays?
>
> Regards,
> Mani chandra
> On 06/27/2010 10:20 PM, Benoit Jacob wrote:
>>
>> Yes, for very small sizes, the difference can be huge, not only
>> because of malloc, but also because fixed sizes allow to unroll loop.
>>
>> Benoit
>>
>> 2010/6/27 Mani chandra<mchandra@xxxxxxxxxx>:
>>>
>>> Dear Eigen devs,
>>>
>>> Is there a significant performance difference between statically and
>>> dynamically allocated arrays in Eigen?
>>>
>>> Regards,
>>> Mani chandra
>>>
>>>
>>>
>>
>>
>
>
>
>